Ivan is available for hire

Ivan Jukić

Verified Expert in Engineering

Android Developer

Location

Split, Croatia

Toptal Member Since

June 10, 2021

Ivan is a mobile developer with 10+ years of expertise working with native mobile technologies (Android, iOS). He spent the last six years developing native Android applications in sectors such as real estate, media, and eCommerce. He built a social network app with exceptional animations, caching, live data updates, video processing, and new UI and UX concepts. Ivan is passionate about creating highly performant apps with smooth animations.

Android SDK Java Android Kotlin Git Android Studio Model View ViewModel (MVVM)iOS SDK Objective-C SQL Android NDK FFmpeg Social APIs iOS Swift Audio Visual Java Technical Architecture

Portfolio

Dobartek

Kotlin, Java, Android SDK, Card Payments, Maps

Freelance

Android Animations, Android SDK, Android NDK, Android Jetpack, iOS, Objective-C...

Jealousy, Ltd.

Java, Android SDK, Android NDK, Image Processing, Video & Audio Processing...

Experience

Android SDK - 11 years Java - 11 years Mobile App Development - 11 years Android - 11 years Android Animations - 9 years Git - 9 years Kotlin - 5 years Android Jetpack - 3 years

Availability

Part-time

Preferred Environment

Android Studio, Android SDK, Android Jetpack, Kotlin

The most amazing...

...tool I've developed is a social network with complex features, great UI, and custom animations.

Work Experience

Senior Android Developer

2013 - PRESENT

Dobartek

Developed an Android app that brings great food ordering experience online.
Collaborated with the sales team and managed sales processes.
Developed UX improvements to bring the product up to speed and meet optimized requirements.

Technologies: Kotlin, Java, Android SDK, Card Payments, Maps

Senior Android Developer

2009 - PRESENT

Freelance

Developed apps for different clients, including B2B apps for internal client usage such as car insurance apps, internal HR management, restaurant tools, and B2B ordering systems.
Oversaw the entire process of apps creation from idea to final result.
Cooperated with product owners and workers to define perfect app flow for increased productivity.

Technologies: Android Animations, Android SDK, Android NDK, Android Jetpack, iOS, Objective-C, Swift, Kotlin, Java, Image Processing, Maps

Senior Android Developer and Architect

2015 - 2018

Jealousy, Ltd.

Created a new fully functional social network from scratch.
Acted as lead Android developer and back-end system co-architect.
Developed complex caching logic, image, and video processing and editing.
Brought smooth and complex custom animations to the Android system.
Created the product user experience and user interface.

Technologies: Java, Android SDK, Android NDK, Image Processing, Video & Audio Processing, Android Animations

Android and iOS Developer

2011 - 2015

Pravi klik, d.o.o

Developed mobile apps for Android and iOS: eCommerce marketplace connecting subscribers with local merchants by offering activities, travel, and goods and services.
Developed mobile apps for Android and iOS: Real estate search engine.
Collaborated with a team of five where I communicated with back-end developers to align on technical decisions.
Created the system architecture and broke the project into tasks.

Technologies: Android SDK, Java, iOS SDK, Objective-C

Experience

Jealousy

https://play.google.com/store/apps/details?id=com.jealousyapp.jealousy

A social network Android app that introduced new UX and behavioral concepts developed from start to release. The app shows excellence in animations, caching, live data updates, video processing, and new UI and UX concepts. The app uses Android NDK for image and video processing together with FFmpeg. I worked on all phases of the product with designers.

Dobartek

https://play.google.com/store/apps/details?id=hr.dobartek.dobartek

I built a food delivery app that provides great UX to users. I was the lead mobile developer and simplified food ordering with a high performant app and custom components that focused on stability. We managed to achieve 99.98% crash-free use.

Skills

Languages

Java, Kotlin, SQL, Objective-C, Swift

Frameworks

Android SDK, iOS SDK

Paradigms

Object-oriented Programming (OOP), Model View ViewModel (MVVM), Model View Presenter (MVP)

Platforms

Android, iOS

Other

Android Animations, Mobile App Development, IT Security, Image Processing, Video & Audio Processing, Card Payments, Maps, Kotlin Multiplatform Mobile (KMM), Leadership

Tools

Android Studio, Android Jetpack, Git, Android NDK

Libraries/APIs

FFmpeg, Social APIs

Education

2008 - 2013

Master's Degree in Computer Science

Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture - Split, Croatia

Collaboration That Works

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